The use of follies as a design element in a garden typically aligns with the "English landscape garden" style.
Why are the follies used
Follies are decorative and often whimsical structures like pavilions, towers, or ruins that serve ornamental purposes rather than functional ones.
They became popular in the English landscape gardens during the 18th century as part of the picturesque movement. These gardens aimed to create a naturalistic and romantic landscape, incorporating various elements like rolling lawns, winding paths, lakes, and artificial ruins (follies) to evoke a sense of a picturesque landscape.
Therefore, the correct option that aligns with the use of follies as a design element in the garden is:
c. English landscape garden